期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN:2194-9042
电子版ISSN:2194-9050
出版年度:2008
卷号:XXXVII Part B1
页码:133-139
出版社:Copernicus Publications
摘要:In this paper the application of a novel non-contact GBInSAR sensor to the measurement of daily deformations of an arch-gravity dam is described. The sensor, named IBIS, is a Ku-band interferometric radar sensor apt to simultaneously monitor the displacement response of several points belonging to a large structure. Moreover, the possibility of scanning the monitored object with the radar sensor moving along a stable track enables to implement the interferometric SAR technique to improve the cross-range resolution in the direction parallel to the baseline. The presented application addresses the monitoring of the displacement of the dam due to an increasing load of the water basin during two days and to temperature change. The displacement results have been compared with the measurements obtained by a coordinatometer installed on the central section of the dam for validation purpose; a good agreement between innovative radar methods and well assessed monitoring sensors has been achieved
关键词:Interferometric SAR; Deformation Analysis; Dam Monitoring; Engineering Surveying; Ground-Based InSAR